Coding Standards: Rewrite loose comparison in `wp_list_categories()`.

A truthy check is more in line with similar checks elsewhere, including conditionals in the same exact code block.

Follow-up to [10275], [34696].

Props aristath, poena, afercia, SergeyBiryukov.
See #58831.
Built from https://develop.svn.wordpress.org/trunk@56360


git-svn-id: http://core.svn.wordpress.org/trunk@55872 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/category-template.php

@@ -568,7 +568,7 @@ function wp_list_categories( $args = '' ) {
 	}
 
 	// Descendants of exclusions should be excluded too.
-	if ( true == $parsed_args['hierarchical'] ) {
+	if ( $parsed_args['hierarchical'] ) {
 		$exclude_tree = array();
 
 		if ( $parsed_args['exclude_tree'] ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.4-alpha-56359';
+$wp_version = '6.4-alpha-56360';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.